#4E2784
Closest named color: Dark Slate Blue (#483D8B). oklch(37.9% 0.148 298.2), rgb(78, 39, 132).
Aa
White text reads best on this color (10.78:1).
About this color
#4E2784 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.148 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.051 away. White text reads best on it, at 10.78:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.94:1 |
| White text | 10.78:1 |
Values
| HEX | #4E2784 |
| RGB | rgb(78, 39, 132) |
| HSL | hsl(265, 54%, 34%) |
| OKLCH | oklch(37.9% 0.148 298.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #4E2784 | 10.78:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #4E2784 | 1.94:1 | Fails | Lc 9.5 | Not readable |
| #4E2784 text on white | 10.78:1 | AAA | Lc 94.4 | Preferred for body text |
| #4E2784 text on black | 1.94:1 | Fails | Lc -8.2 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#ECE6FD
oklch(93.6% 0.031 297.7)
-
Step 200
200
#DED1FD
oklch(88.5% 0.061 298.7)
-
Step 300
300
#C9B1FF
oklch(80.9% 0.111 298)
-
Step 400
400
#B084FF
oklch(70.8% 0.177 298.3)
-
Step 500
500
#9E5EFD
oklch(63.2% 0.226 298.2)
-
Step 600
600
#8A3BEC
oklch(55.6% 0.246 298.1)
-
Step 700
700
#762ACD
oklch(49.1% 0.228 298.4)
-
Step 800
800
#5F26A6
oklch(42.7% 0.189 298)
-
Step 900
900 (this color)
#4E2784
oklch(37.9% 0.148 298.2)
-
Step 950
950
#2D184D
oklch(27% 0.094 298.1)
#4E2784 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #003E87 | 0.100 |
| Deuteranopia (no green cones) | #003D82 | 0.100 |
| Tritanopia (no blue cones) | #413D52 | 0.112 |
| Achromatopsia (no color) | #3D3D3D | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E2784
#4E2784
oklch(37.9% 0.148 298.2)
- #3E4800
#3E4800
oklch(37.9% 0.089 118.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #4E2784, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.051
- Indigo #4B0082 ΔE 0.052
- Rebecca Purple #663399 ΔE 0.064
- Blueberry #464196 ΔE 0.065
- Royal Purple #4B006E ΔE 0.068
- Imperial Purple #480CA8 ΔE 0.069
- Chrysanthemum #560BAD ΔE 0.073
- Indigo Blue #3A18B1 ΔE 0.089
Use #4E2784 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.